Answer: progressivejazz

AnswerCrossword Clue
PROGRESSIVEJAZZ

Dave Brubeck's specialty

PROGRESSIVEJAZZ

Experimental, dissonant music genre named by Stan Kenton

PROGRESSIVEJAZZ

Specialty of Brubeck, Shearing, et al.

PROGRESSIVEJAZZ
Stan Kenton's music
PROGRESSIVEJAZZ
Music for reformists?